- WORX Racing NEW Performance Sea-Doo 4-tec Intercooler provides huge gains over OEM Intercooler providing a cooler denser air to the engine increasing horsepower! The 30% larger wider core allows for better heat transfer of compressed air from supercharger or turbo charger before entering engine. WORX Racing NEW Sea-Doo intercooler is a direct replacement of all Sea-Doo 4-tec external intercoolers and is suitable for all applications from stock to open turbo watercraft. Unit comes with necessary water fittings to suit OEM cooling applications, pressure bleed on front of unit and a replaceable sacrificial anode to extend intercooler life. - - - On certain older models, where the OEM pressure bleed is not present, some extra modification may be required to suit. - -